Home / 5,228.16-7,837.29-1,939.02

Finding the Fourth Proportional to 5,228.16, 7,837.29 and 1,939.02

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Solution

The fourth proportional to 5,228.16, 7,837.29 and 1,939.02 is: 2,906.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.16 : 7,837.29 = 1,939.02 : x
  2. Step 2: Convert to fraction form
    5,228.16/7,837.29 = 1,939.02/x
  3. Step 3: Cross multiply
    5,228.16x = 7,837.29 × 1,939.02
  4. Step 4: Simplify right side
    5,228.16x = 15,196,662.06
  5. Step 5: Solve for x
    x = 15,196,662.06/5,228.16
  6. Step 6: Final answer
    x = 2,906.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.